Interchangeable collapsible plug device for battery charger

An interchangeable plug device comprising

• a casing,
• an electrical plug detachably mounted to said casing, said electrical plug including a plurality of prongs, said electrical plug moveable between a detached and an operative position relative to said casing, and
• a releasable locking means to maintain said electrical plug in said operative position,
• whereby the electrical plug can be locked into the operative position until and unless a user releases the releasable locking means,
• said electrical plug having a recessed electrical contact therein for preventing inadvertent contact therewith when said plug is in said detached position wherein said electrical plug includes a prong rotatably mounted thereon, said prong rotatable between a collapsed and an extended position, relative to said casing.

A power supply with an interchangeable plug and collapsible prong comprising

• a casing,
• a power supply mounted within said casing,
• an electrical plug detachably mounted in said casing, said electrical plug including a plurality of prongs mechanically and electrically connected to said power supply, said electrical plug moveable between a detached and an operative position, relative to said casing,
• a releasable locking means mechanically connected to said electrical plug to engage said casing and to maintain said electrical plug in said operative position, whereby the electrical plug is locked into the operative position until and unless a user releases the releasable locking means,
• said electrical plug having a recessed electrical contact therein for preventing inadvertent contact therewith when said plug is in said detached position,
• said electrical plug having a prong rotatably mounted thereon, said prong rotatable between a collapsed and an extended position, relative to said casing.

A battery charger with an interchangeable plug comprising

• a casing,
• a power supply mounted within said casing,
• an electrical plug detachably mounted to said casing, said electrical plug including a plurality of prongs mechanically and electrically connected to said power supply, said electrical plug moveable between a detached and an operative position, relative to said casing, and
• a releasable locking means to maintain said electrical plug in said operative position, whereby the electrical plug is locked into the operative position until and unless a user releases the releasable locking means,
• wherein said electrical plug includes a recessed electrical contact therein for preventing inadvertent contact therewith when said plug is in said detached position, and
• wherein said electrical plug includes a prong rotatably mounted thereon, said prong rotatable between a collapsed and an extended position, relative to said casing.